Add license.

LICENSE

@@ -1,17 +1,20 @@
-Copyright (c) 2012, Daniel Theophanes
+Copyright (c) 2012 Daniel Theophanes
 
-Permission to use, copy, modify, and distribute this software and its
-documentation for any purpose, without fee, and without a written agreement is
-hereby granted, provided that the above copyright notice and this paragraph and
-the following two paragraphs appear in all copies.
+This software is provided 'as-is', without any express or implied
+warranty. In no event will the authors be held liable for any damages
+arising from the use of this software.
 
-IN NO EVENT SHALL Daniel Theophanes BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT,
-SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, ARISING
-OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF $ORGANISATION HAS
-BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+Permission is granted to anyone to use this software for any purpose,
+including commercial applications, and to alter it and redistribute it
+freely, subject to the following restrictions:
 
-Daniel Theophanes SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT
-LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
-PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND
-Daniel Theophanes HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT, UPDATES,
-ENHANCEMENTS, OR MODIFICATIONS.
+   1. The origin of this software must not be misrepresented; you must not
+   claim that you wrote the original software. If you use this software
+   in a product, an acknowledgment in the product documentation would be
+   appreciated but is not required.
+
+   2. Altered source versions must be plainly marked as such, and must not be
+   misrepresented as being the original software.
+
+   3. This notice may not be removed or altered from any source
+   distribution.